Spongiocarpe{e.~\ furcellakia. 219 



whicli are imbedded roundish clusters of wedge-shaped seeds, 

 surrounded with a pellucid border. — Greville. 



1. PoLYiDES ROTUNDUS, GrevUle. 



Hab. On rocks in the sea. Perennial. Autumn, winter, 

 and spring. Eather rare. Found, however, in England, 

 Scotland, and Ireland. In Scotland, by Dr. Greville, Prith 

 of Forth ; Dr. Eichardson, near Dumfries ; at Ardrossan, 

 by Major Martin ; by D. L., at Saltcoats in March, in fruit. 

 It has lately been found abundantly in fruit by Lady Keith 

 Murray at Stonehaven. 



The root is an expanded disc, and by this, along with 

 the fruit and rounded axils of the branches, it is distin- 

 guished from Fur cellar ia fastigiat a. The colour is blackish- 

 purple, becoming darker when dry. It does not adhere to 

 paper. 



Genus LIII. FUECELLAEIA, Lamour, 



Gen. Char. Frond cartilaginous, cylindrical, filiform, dichoto- 

 mous. Fructification, terminal, elongated, pod-like receptacles, 

 containing a stratum of dark oblong pear-shaped seeds, in the 

 circumference. — The name signifies a little fork. — Greville. 



1 . FURCELLARIA FASTIGIATA, LamOUr. 



This is very common. It is often covered with large 



